216701632103 has 4 divisors (see below), whose sum is σ = 236401780488. Its totient is φ = 197001483720.

The previous prime is 216701632087. The next prime is 216701632151. The reversal of 216701632103 is 301236107612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 216701632103 - 2⁴ = 216701632087 is a prime.

It is a super-2 number, since 2×216701632103² (a number of 23 digits) contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 216701632103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216701634103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9850074176 + ... + 9850074197.

It is an arithmetic number, because the mean of its divisors is an integer number (59100445122).

Almost surely, 2^216701632103 is an apocalyptic number.

216701632103 is a deficient number, since it is larger than the sum of its proper divisors (19700148385).

216701632103 is a wasteful number, since it uses less digits than its factorization.

216701632103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19700148384.

The product of its (nonzero) digits is 9072, while the sum is 32.

Adding to 216701632103 its reverse (301236107612), we get a palindrome (517937739715).

The spelling of 216701632103 in words is "two hundred sixteen billion, seven hundred one million, six hundred thirty-two thousand, one hundred three".